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+/**
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+ * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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+ */
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+
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+import MultiCommand from '../src/multicommand';
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+import ModelTestEditor from './_utils/modeltesteditor';
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+import Command from '../src/command';
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+
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+describe( 'MultiCommand', () => {
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+ let editor, multiCommand;
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+
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+ beforeEach( () => {
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+ return ModelTestEditor
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+ .create()
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+ .then( newEditor => {
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+ editor = newEditor;
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+ multiCommand = new MultiCommand( editor );
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+ } );
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+ } );
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+
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+ afterEach( () => {
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+ multiCommand.destroy();
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+
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+ return editor.destroy();
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+ } );
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+
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+ describe( 'isEnabled', () => {
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+ it( 'is always falsy when no child commands are registered', () => {
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+ expect( multiCommand.isEnabled ).to.false;
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+
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+ multiCommand.refresh();
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+
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+ expect( multiCommand.isEnabled ).to.false;
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+ } );
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+
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+ it( 'is set to true if one of registered commands is true', () => {
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+ expect( multiCommand.isEnabled ).to.false;
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+
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+ const commandA = new Command( editor );
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+ const commandB = new Command( editor );
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+
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+ multiCommand.registerChildCommand( commandA );
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+ multiCommand.registerChildCommand( commandB );
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+
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+ expect( multiCommand.isEnabled ).to.false;
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+
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+ commandA.isEnabled = true;
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+
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+ expect( multiCommand.isEnabled ).to.be.true;
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+
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+ commandA.isEnabled = false;
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+
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+ expect( multiCommand.isEnabled ).to.be.false;
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+
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+ commandB.isEnabled = true;
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+
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+ expect( multiCommand.isEnabled ).to.be.true;
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+ } );
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+ } );
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+
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+ describe( 'execute()', () => {
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+ it( 'does not call any command if all are disabled', () => {
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+ const commandA = new Command( editor );
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+ const commandB = new Command( editor );
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+
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+ multiCommand.registerChildCommand( commandA );
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+ multiCommand.registerChildCommand( commandB );
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+
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+ const spyA = sinon.spy( commandA, 'execute' );
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+ const spyB = sinon.spy( commandB, 'execute' );
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+
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+ multiCommand.execute();
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+
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+ sinon.assert.notCalled( spyA );
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+ sinon.assert.notCalled( spyB );
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+ } );
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+
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+ it( 'executes enabled command', () => {
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+ const commandA = new Command( editor );
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+ const commandB = new Command( editor );
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+ const commandC = new Command( editor );
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+
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+ multiCommand.registerChildCommand( commandA );
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+ multiCommand.registerChildCommand( commandB );
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+ multiCommand.registerChildCommand( commandC );
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+
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+ const spyA = sinon.spy( commandA, 'execute' );
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+ const spyB = sinon.spy( commandB, 'execute' );
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+ const spyC = sinon.spy( commandC, 'execute' );
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+
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+ commandC.isEnabled = true;
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+
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+ multiCommand.execute();
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+
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+ sinon.assert.notCalled( spyA );
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+ sinon.assert.notCalled( spyB );
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+ sinon.assert.calledOnce( spyC );
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+ } );
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+
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+ it( 'executes first registered command if many are enabled', () => {
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+ const commandA = new Command( editor );
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+ const commandB = new Command( editor );
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+ const commandC = new Command( editor );
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+
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+ multiCommand.registerChildCommand( commandA );
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+ multiCommand.registerChildCommand( commandB );
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+ multiCommand.registerChildCommand( commandC );
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+
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+ const spyA = sinon.spy( commandA, 'execute' );
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+ const spyB = sinon.spy( commandB, 'execute' );
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+ const spyC = sinon.spy( commandC, 'execute' );
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+
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+ commandC.isEnabled = true;
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+ commandB.isEnabled = true;
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+
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+ multiCommand.execute();
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+
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+ sinon.assert.notCalled( spyA );
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+ sinon.assert.calledOnce( spyB );
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+ sinon.assert.notCalled( spyC );
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+ } );
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+ } );
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+} );
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